anbei ein Support-Log
und hier die Ausgabe von "ip a"
root@MLD:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel qlen 1000
    link/ether 84:47:09:4b:52:d6 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.8/24 brd 192.168.0.255 scope global dynamic noprefixroute eth0
       valid_lft 863874sec preferred_lft 863874sec
    inet6 2a00:6020:4a28:e500:e54b:a60a:252d:73ca/64 scope global dynamic noprefixroute 
       valid_lft 2802sec preferred_lft 2802sec
    inet6 fd08:3ed:6b0c:0:4c9c:de85:fabd:da2a/64 scope global dynamic noprefixroute 
       valid_lft 7093sec preferred_lft 3493sec
    inet6 fe80::21c0:feee:49fd:5905/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
4: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel qlen 1000
    link/ether 84:47:09:4b:52:d5 brd ff:ff:ff:ff:ff:ff
5: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue qlen 1000
    link/ether 3e:70:f4:12:4e:1b brd ff:ff:ff:ff:ff:ff